Fuel Pressure Release: Service and Repair

Fuel Pressure Gauge:

SPECIAL SERVICE TOOL(S)

WARNING:
^ DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY FUEL-RELATED COMPONENT HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED, RESULTING IN POSSIBLE PERSONAL INJURY.
^ FUEL IN THE FUEL SYSTEM REMAINS UNDER HIGH PRESSURE EVEN WHEN THE ENGINE IS NOT RUNNING. BEFORE SERVICING OR DISCONNECTING ANY OF THE FUEL LINES OR FUEL SYSTEM COMPONENTS, THE FUEL SYSTEM PRESSURE MUST BE RELIEVED TO PREVENT ACCIDENTAL SPRAYING OF FUEL, CAUSING PERSONAL INJURY OR A FIRE HAZARD.

1. Disconnect the battery ground cable. For additional information, refer to Battery.







2. Remove the Schrader valve cap and install the EFI/CFI fuel pressure gauge.







3. Open the manual valve slowly on the EFI/CFI fuel pressure gauge and relieve the fuel pressure.
^ This will drain some fuel out of the system. Place the fuel in a suitable container.